People hears of, ultraviolet ray is contained among sun's rays, can bring the risk of skin cancer to people. The woman that loves the United States worries about skin ageing more, even if is in the winter, also should wipe go up to be prevented thickly bask in frost. However, a large number of recent research confirm, the activity leaves in measurable sun's rays, be helpful for preventing a variety of cancer, include colonic cancer and breast cancer, return the risk that can reduce Pajinsen disease even!

People knows, vitamin D is healthy to the skeleton in human body lifetime need absolutely.

If vitamin D is lacked, can cause calcium to absorb obstacle and bone mineralization obstacle, bring about children to grow not only defer and rachitic, still can cause disease of adult bone bate, make an osteoporosis more exasperate. A research of Denmark proves, the Danish woman that great majority often suffers from for muscle painful place is put in severe vitamin D shortage.

However, the problem that most person did not realize is: The inadequacy of vitamin D can affect skeleton not just, return the risk that may increase cancer. Consider to discover, vitamin D exists to accept put oneself in another's position among a lot of organizations of human body and organ. The active form of vitamin D restrains cellular hyperplasia effectively, revulsive cell is mature, adjust to the immunity of B and T lymphocyte active also has important sense.

Epidemiology considers to confirm, if cannot get enough illumination, human meet with suffers from the danger of the disease such as breast cancer, colonic cancer, ovarian cancer, prostate cancer to will rise, the reason is synthesizing inadequacy to concern with vitamin D. People early discovers, equatorial dweller these disease incidence of a disease are very low, and heighten of incidence of a disease of resident of northward and cold region. Apparent, the synthesis of activation vitamin D to adjusting cellular hyperplasia is mixed differentiation is necessary.

An assemble analyses discovery, the person with top level of D of the vitamin in blood, the happening of its breast cancer is dangerous lowest; Conversely, the woman of lowest of those vitamin D level, have highest breast cancer risk. An investigation that has between 1500 people returns discovery, if increase the vitamin D concentration in blood effectively, can reduce the risk of colonic cancer 2/3. Still have research discovery, often bask what can defer the happening of prostate cancer to amount to 5 years is long.

When the contact is solar, human body can synthesize vitamin D automatically. However, if always be in day of illumination to shoot insufficient circumstance, absorb vitamin D to want to achieve ability of 800-1000 international unit to prevent cancer effectively to happen everyday, this volume is 9 times higher than recommending a quantity to want. But, the vitamin D capsule that absorbs large dose or cod-liver oil happen likely toxic, especially complex Vd2, toxic dose is smaller. Will obtain vitamin D through basking is the safest, because because bask,had not discovered up to now and bring about the report with vitamin toxic D.
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